Mixer



FIG. 1 is a front isometric view of an embodiment of a mixer showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines shown are included for purposes of illustrating portions of the mixer that form no part of the claim. 

CLAIM We claim the ornamental design for a mixer, as shown and described. 